seed_sequences.cc 980 B

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  1. // Copyright 2017 The Abseil Authors.
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // https://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. #include "absl/random/seed_sequences.h"
  15. #include "absl/random/internal/pool_urbg.h"
  16. namespace absl {
  17. ABSL_NAMESPACE_BEGIN
  18. SeedSeq MakeSeedSeq() {
  19. SeedSeq::result_type seed_material[8];
  20. random_internal::RandenPool<uint32_t>::Fill(absl::MakeSpan(seed_material));
  21. return SeedSeq(std::begin(seed_material), std::end(seed_material));
  22. }
  23. ABSL_NAMESPACE_END
  24. } // namespace absl